428097280

Names of 428097280

• Cardinal: 428097280 can be written as Four hundred twenty-eight million, ninety-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 4.2809728 × 10⁸

Factors of 428097280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1999

Divisors of 428097280

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 169 208 256 260 320 338 416 520 640 676 832 845 1040 1280 1352 1664 1690 1979 2080 2704 3328 3380 3958 4160 5408 6760 7916 8320 9895 10816 13520 15832 16640 19790 21632 25727 27040 31664 39580 43264 51454 54080 63328 79160 102908 108160 126656 128635 158320 205816 216320 253312 257270 316640 334451 411632 506624 514540 633280 668902 823264 1029080 1266560 1337804 1646528 1672255 2058160 2533120 2675608 3293056 3344510 4116320 5351216 6586112 6689020 8232640 10702432 13378040 16465280 21404864 26756080 32930560 42809728 53512160 85619456 107024320 214048640 428097280
• Sum of all divisors σ(n): 1110934440
• Sum of proper divisors (its aliquot sum) s(n): 682837160
• 428097280 is an abundant number, because the sum of its proper divisors (682837160) is greater than itself. Its abundance is 254739880

Bases of 428097280

• Binary: 11001100001000011111100000000₂
• Hexadecimal: 0x19843F00
• Base-36: 72VLZ4

Squares and roots of 428097280

• 428097280 squared (428097280²) is 183267281143398400
• 428097280 cubed (428097280³) is 78456224570484144996352000
• The square root of 428097280 is 20690.5118351383
• The cube root of 428097280 is 753.6692961163

Scales and comparisons

• 428,097,280 seconds is equal to 13 years, 31 weeks, 5 days, 19 hours, 54 minutes, 40 seconds.
• To count from 1 to 428,097,280 would take you about twenty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 428097280 cubic inches would be around 62.8 feet tall.

Recreational maths with 428097280

• 428097280 backwards is 082790824
• 428097280 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428097280's digits is 40
• More coming soon!